Week 3
Our Evolution Over the Past 500 Million Years
A lot happened to us over the past 0.5 billion years. We became deuterostomes with heads, backbones, legs, hair and nipples. This post-Cambrian period contains only about 10% of our evolution but is the focus of ~90% of all biologists. Astrobiological and microbiological perspectives are needed to cure this vertebrate-centrism.
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04:04
3.1.1 The Ancestor’s Tale
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04:10
3.1.2 Timelines
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14:57
3.1.3 Phylogenetic Trees
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10:57
3.2.1 Cousins Are NOT Ancestors
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05:52
3.2.2 Making Aliens in Our Own Image
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14:33
3.2.3 The Story of Legs, Hair and Nipples
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11:59
3.2.4 We Are Fish
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05:35
3.2.5 Do Aliens Have Heads?
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07:34
3.2.6 Tree of All Animals
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14:09
3.3.1 Are We Fish?
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16:06
3.4.1 John Long: vertebrate palaeontologist
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05:18
3.4.2 Jim Gehling: invertebrate palaeontologist
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04:16
3.4.4 Michael Archer: mammalogist
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19:32
3.5.1 Student Discussion
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10:32
3.5.2 Books by Dawkins, Shubin and Long